Hi there, This is the first time I have given a review in 30 years of cycling. I now feel guilty by not reviewing products positively impacting on my cycling over these years. However, these tyres are probably the worst tubeless tyres I have ever tried due to the following .... side walls porous even with 60ml of sealant in each tyre. This resulted in gradual loss of pressure in both front and rear tyres. The side walls of the tyres are extremely soft.. First Gravel road I hit and within 100 yards I ripped the side wall of the front tyre. Sigma sports, who I have dealt with for many a year are reluctant to take these tyres back and offer a refund. Very Grumpy Middle Aged peddler!
Sale
Final Few
Sale
Final Few
Product Details
##Challenge Almanzo Pro HTLR Gravel Clincher Tyre
The Challenge Almanzo Pro HTLR Gravel Clincher Tyre has a tread pattern designed for maximum traction and efficiency on gravel roads. When you're riding long gravel races like Dirty Kansa or the Almanzo 100, you need a tyre that rolls fast, offers great puncture resistance and provides the traction you need to keep driving forward. With its lightweight casing and aramid bead, this is a tyre that's handbuilt to go the distance with you.
Features
- Tubeless ready clincher tyre
- Use: All around gravel and adventure
- Size: 700c
- Tyre width: 33mm
- TPI: 260
- Bead: Aramid
- Casing: SuperPoly
- Flat protection: PPS2 special fabric for off-road applications
- Handmade
- Manufacturer's claimed weight: 390 grams
Specifications
- Discipline Compatibility
- Gravel
- Inner Tube Required
- No
- Tires [Width]
- 33 mm
- Tubeless Ready
- Yes
- Wheel Size
- 700C
- Casing Type
- Standard
- Glue Required
- No
- Intended Use
- Endurance
- Tires [Maker]
- Challenge
- Product code
- 1170463 / 54295906091354
Reviews
1
Value of Product
Quality of Product
Verified purchaser
Good looking tyre, but the side walls are porous and took ages to seal up with 80ml of sealant within! First run out and ripped the front within 6 miles. Removed never to be refitted!
Shipping & Returns
Free UK delivery on orders over £50. Orders are dispatched within 1-2 working days and typically arrive 1-2 working days later.
Return unused items in their original packaging within 30 days of delivery. Return postage is £3.50.
Q & A
2 questions answered
Can I use these tyres on my Zipp 303 firecrest (hookless) rims? Thanks
Hi Simon, These do not look to be compatible looking at Zipps compatibility chart, https://support.sram.com/hc/en-us/articles/360050355593-What-tubeless-tires-are-compatible-with-Zipp-s-hookless-rims- Many thanks Joe W
Hi are these normal tubeless ready tyres wanting to put them on my specialized crux wheels are Roval SLX 24 Disc, thanks
Hello, I can confirm that these are tubeless ready tyres, and will fit your wheels no problem. Many Thanks Liam